Abstract data type element. More...

#include <element.hpp>

Inheritance diagram for mfem::Element:

Public Types
enum	Type { POINT , SEGMENT , TRIANGLE , QUADRILATERAL , TETRAHEDRON , HEXAHEDRON , WEDGE , PYRAMID }
	Constants for the classes derived from Element. More...

Public Member Functions
	Element (Geometry::Type bg=Geometry::POINT)
	Default element constructor.

virtual Type	GetType () const =0
	Returns element's type.

Geometry::Type	GetGeometryType () const

int	GetAttribute () const
	Return element's attribute.

void	SetAttribute (const int attr)
	Set element's attribute.

virtual void	GetVertices (Array< int > &v) const =0
	Get the indices defining the vertices.

virtual void	SetVertices (const Array< int > &v)=0
	Set the indices defining the vertices.

virtual void	SetVertices (const int *ind)=0
	Set the indices defining the vertices.

virtual int *	GetVertices ()=0

const int *	GetVertices () const

virtual int	GetNVertices () const =0

virtual int	GetNEdges () const =0

virtual const int *	GetEdgeVertices (int) const =0

virtual MFEM_DEPRECATED int	GetNFaces (int &nFaceVertices) const =0

virtual int	GetNFaces () const =0

virtual int	GetNFaceVertices (int fi) const =0

virtual const int *	GetFaceVertices (int fi) const =0

virtual void	MarkEdge (const DSTable &v_to_v, const int *length)
	Mark the longest edge by assuming/changing the order of the vertices.

virtual int	NeedRefinement (HashTable< Hashed2 > &v_to_v) const
	Return 1 if the element needs refinement in order to get conforming mesh.

virtual void	ResetTransform (int tr)
	Set current coarse-fine transformation number.

virtual void	PushTransform (int tr)
	Add 'tr' to the current chain of coarse-fine transformations.

virtual unsigned	GetTransform () const
	Return current coarse-fine transformation.

virtual Element *	Duplicate (Mesh *m) const =0

virtual	~Element ()
	Destroys element.

Protected Attributes
int	attribute
	Element's attribute (specifying material property, etc).

Geometry::Type	base_geom
	Element's type from the Finite Element's perspective.

Detailed Description

Abstract data type element.

Definition at line 28 of file element.hpp.

Member Enumeration Documentation

◆ Type

enum mfem::Element::Type

Constants for the classes derived from Element.

Enumerator
POINT
SEGMENT
TRIANGLE
QUADRILATERAL
TETRAHEDRON
HEXAHEDRON
WEDGE
PYRAMID

Definition at line 41 of file element.hpp.

Constructor & Destructor Documentation

◆ Element()

mfem::Element::Element ( Geometry::Type bg = Geometry::POINT )

inlineexplicit

Default element constructor.

Definition at line 46 of file element.hpp.

◆ ~Element()

virtual mfem::Element::~Element ( )

inlinevirtual

Destroys element.

Definition at line 109 of file element.hpp.

Member Function Documentation

◆ Duplicate()

virtual Element * mfem::Element::Duplicate ( Mesh * m ) const

pure virtual

Note: The returned object should be deleted by the caller.

Implemented in mfem::Hexahedron, mfem::Point, mfem::Pyramid, mfem::Quadrilateral, mfem::Segment, mfem::Tetrahedron, mfem::Triangle, and mfem::Wedge.

◆ GetAttribute()

int mfem::Element::GetAttribute ( ) const

inline

Return element's attribute.

Definition at line 55 of file element.hpp.

◆ GetEdgeVertices()

virtual const int * mfem::Element::GetEdgeVertices ( int ) const

pure virtual

Implemented in mfem::Hexahedron, mfem::Point, mfem::Pyramid, mfem::Quadrilateral, mfem::Segment, mfem::Tetrahedron, mfem::Triangle, and mfem::Wedge.

◆ GetFaceVertices()

virtual const int * mfem::Element::GetFaceVertices ( int fi ) const

pure virtual

Implemented in mfem::Hexahedron, mfem::Point, mfem::Pyramid, mfem::Quadrilateral, mfem::Segment, mfem::Tetrahedron, mfem::Triangle, and mfem::Wedge.

◆ GetGeometryType()

Geometry::Type mfem::Element::GetGeometryType ( ) const

inline

Definition at line 52 of file element.hpp.

◆ GetNEdges()

virtual int mfem::Element::GetNEdges ( ) const

pure virtual

Implemented in mfem::Hexahedron, mfem::Point, mfem::Pyramid, mfem::Quadrilateral, mfem::Segment, mfem::Tetrahedron, mfem::Triangle, and mfem::Wedge.

◆ GetNFaces() [1/2]

virtual int mfem::Element::GetNFaces ( ) const

pure virtual

Implemented in mfem::Hexahedron, mfem::Point, mfem::Pyramid, mfem::Quadrilateral, mfem::Segment, mfem::Tetrahedron, mfem::Triangle, and mfem::Wedge.

◆ GetNFaces() [2/2]

virtual MFEM_DEPRECATED int mfem::Element::GetNFaces ( int & nFaceVertices ) const

pure virtual

Deprecated: Use GetNFaces(void) and GetNFaceVertices(int) instead.

Implemented in mfem::Hexahedron, mfem::Point, mfem::Pyramid, mfem::Quadrilateral, mfem::Segment, mfem::Tetrahedron, mfem::Triangle, and mfem::Wedge.

◆ GetNFaceVertices()

virtual int mfem::Element::GetNFaceVertices ( int fi ) const

pure virtual

Implemented in mfem::Hexahedron, mfem::Point, mfem::Pyramid, mfem::Quadrilateral, mfem::Segment, mfem::Tetrahedron, mfem::Triangle, and mfem::Wedge.

◆ GetNVertices()

virtual int mfem::Element::GetNVertices ( ) const

pure virtual

Implemented in mfem::Hexahedron, mfem::Point, mfem::Pyramid, mfem::Quadrilateral, mfem::Segment, mfem::Tetrahedron, mfem::Triangle, and mfem::Wedge.

◆ GetTransform()

virtual unsigned mfem::Element::GetTransform ( ) const

inlinevirtual

Return current coarse-fine transformation.

Reimplemented in mfem::Tetrahedron, and mfem::Triangle.

Definition at line 103 of file element.hpp.

◆ GetType()

virtual Type mfem::Element::GetType ( ) const

pure virtual

Returns element's type.

Implemented in mfem::Hexahedron, mfem::Point, mfem::Pyramid, mfem::Quadrilateral, mfem::Segment, mfem::Tetrahedron, mfem::Triangle, and mfem::Wedge.

◆ GetVertices() [1/3]

const int * mfem::Element::GetVertices ( ) const

inline

Definition at line 72 of file element.hpp.

◆ GetVertices() [2/3]

virtual int * mfem::Element::GetVertices ( )

pure virtual

Note: The returned array should NOT be deleted by the caller.

Implemented in mfem::Hexahedron, mfem::Point, mfem::Pyramid, mfem::Quadrilateral, mfem::Segment, mfem::Tetrahedron, mfem::Triangle, and mfem::Wedge.

◆ GetVertices() [3/3]

virtual void mfem::Element::GetVertices ( Array< int > & v ) const

pure virtual

Get the indices defining the vertices.

Implemented in mfem::Hexahedron, mfem::Point, mfem::Pyramid, mfem::Quadrilateral, mfem::Segment, mfem::Tetrahedron, mfem::Triangle, and mfem::Wedge.

◆ MarkEdge()

virtual void mfem::Element::MarkEdge	(	const DSTable &	v_to_v,
		const int *	length )

inlinevirtual

Mark the longest edge by assuming/changing the order of the vertices.

Reimplemented in mfem::Tetrahedron, and mfem::Triangle.

Definition at line 91 of file element.hpp.

◆ NeedRefinement()

virtual int mfem::Element::NeedRefinement ( HashTable< Hashed2 > & v_to_v ) const

inlinevirtual

Return 1 if the element needs refinement in order to get conforming mesh.

Reimplemented in mfem::Tetrahedron, and mfem::Triangle.

Definition at line 94 of file element.hpp.

◆ PushTransform()

virtual void mfem::Element::PushTransform ( int tr )

inlinevirtual

Add 'tr' to the current chain of coarse-fine transformations.

Reimplemented in mfem::Tetrahedron, and mfem::Triangle.

Definition at line 100 of file element.hpp.

◆ ResetTransform()

virtual void mfem::Element::ResetTransform ( int tr )

inlinevirtual

Set current coarse-fine transformation number.

Reimplemented in mfem::Tetrahedron, and mfem::Triangle.

Definition at line 97 of file element.hpp.

◆ SetAttribute()

void mfem::Element::SetAttribute ( const int attr )

inline

Set element's attribute.

Definition at line 58 of file element.hpp.

◆ SetVertices() [1/2]

virtual void mfem::Element::SetVertices ( const Array< int > & v )

pure virtual

Set the indices defining the vertices.

Implemented in mfem::Hexahedron, mfem::Point, mfem::Pyramid, mfem::Quadrilateral, mfem::Segment, mfem::Tetrahedron, mfem::Triangle, and mfem::Wedge.

◆ SetVertices() [2/2]

void mfem::Element::SetVertices ( const int * ind )

pure virtual

Set the indices defining the vertices.

Implemented in mfem::Hexahedron, mfem::Point, mfem::Pyramid, mfem::Quadrilateral, mfem::Segment, mfem::Tetrahedron, mfem::Triangle, and mfem::Wedge.

Definition at line 17 of file element.cpp.

Member Data Documentation

◆ attribute

int mfem::Element::attribute

protected

Element's attribute (specifying material property, etc).

Definition at line 33 of file element.hpp.

◆ base_geom

Geometry::Type mfem::Element::base_geom

protected

Element's type from the Finite Element's perspective.

Definition at line 36 of file element.hpp.

The documentation for this class was generated from the following files:

mesh/element.hpp
mesh/element.cpp

Public Types

Public Member Functions

Protected Attributes

Detailed Description

Member Enumeration Documentation

◆ Type

Constructor & Destructor Documentation

◆ Element()

◆ ~Element()

Member Function Documentation

◆ Duplicate()

◆ GetAttribute()

◆ GetEdgeVertices()

◆ GetFaceVertices()

◆ GetGeometryType()

◆ GetNEdges()

◆ GetNFaces() [1/2]

◆ GetNFaces() [2/2]

◆ GetNFaceVertices()

◆ GetNVertices()

◆ GetTransform()

◆ GetType()

◆ GetVertices() [1/3]

◆ GetVertices() [2/3]

◆ GetVertices() [3/3]

◆ MarkEdge()

◆ NeedRefinement()

◆ PushTransform()

◆ ResetTransform()

◆ SetAttribute()

◆ SetVertices() [1/2]

◆ SetVertices() [2/2]

Member Data Documentation

◆ attribute

◆ base_geom